@font-face {
  font-family: "Juxel";
  src: url("Assets/Fonts/juxel.ttf") format("truetype");
  font-display: swap;
}

:root {
  --codepen-bg: #1d1e22;
  --fg: white;
  --muted: #757575;
  --font: "Juxel", Didot, "Bodoni MT", Garamond, "Times New Roman", serif;
}

* { box-sizing: border-box; }

html { height: 100%; }

body {
  margin: 0;
  min-height: 100%;
  background-color: var(--codepen-bg);
  color: var(--fg);
  font-family: var(--font);
}

/* Home page button layout: MOBILE ONLY (under 900px wide) */
@media (max-width: 899px) {
  body.home {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    overflow: hidden;
  }
}

/* Show things on one layout only (breakpoint matches the intro / solar layout) */
@media (max-width: 899px) { .desktop-only { display: none; } }
@media (min-width: 900px) { .mobile-only { display: none; } }

/* Stage = solar-system svg + the home buttons.
   On phones it is invisible to layout, so the mobile column is unchanged. */
.stage { display: contents; }
#solar { display: none; }
.solar-hi { display: none; }

/* Desktop home: solar layout (windows 900px and wider) */
@media (min-width: 900px) {
  :root {
    --codepen-bg: #000000;
    --u: min(calc(100vw / 1600), calc(100vh / 900));
  }

  body.home { height: 100%; overflow: hidden; }

  .stage {
    display: block;
    position: fixed;
    left: 50%;
    top: 50%;
    width: calc(var(--u) * 1600);
    height: calc(var(--u) * 900);
    translate: -50% -50%;
  }

  #solar,
  .stage .container {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
  }
  #solar { display: block; transition: opacity 1.2s ease; }
  html:not(.started) #solar { opacity: 0; }
  .stage .container { display: block; }

  .stage .container button {
    position: absolute;
    translate: -50% -50%;
    width: calc(var(--u) * var(--btn-w, 200));
    height: calc(var(--u) * var(--btn-h, 68));
    max-width: none;
    border-radius: calc(var(--u) * var(--btn-r, 16));
    font-size: max(13px, calc(var(--u) * 26));
  }

  .solar-hi {
    display: block;
    position: absolute;
    left: 50%;
    top: 50%;
    translate: -50% -50%;
    font-family: var(--font); /* same as the buttons */
    font-size: max(40px, calc(var(--u) * 96));
    line-height: 1;
    color: var(--fg);
    pointer-events: none;
    transition: opacity 1.2s ease;
  }
  html:not(.started) .solar-hi { opacity: 0; }
}

.container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

button {
  height: 80px;
  width: 240px;
  max-width: 80vw;
  border-radius: 16px;
  border: solid 3px var(--fg);
  background-color: transparent;
  cursor: pointer;
  outline: none;

  color: var(--fg);
  font-size: 24px;
  font-family: var(--font);
}

button:focus-visible { outline: 2px solid var(--fg); outline-offset: 4px; }

/* Square button that holds an svg (back, go, search...) */
.icon-btn {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  padding: 0;
  flex: none;
}
.icon-btn img { width: 28px; height: 28px; display: block; }

/* Shared page chrome for sub-pages */
.topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  max-width: 960px;
  margin: 0 auto;
  padding: 20px 24px;
}

.page {
  max-width: 960px;
  margin: 0 auto;
  padding: 8px 24px 64px;
}

.spark {
  position: fixed;
  width: 30px;
  height: 8px;
  border-radius: 3px;
  background-color: white;
  transform: none;
  pointer-events: none;
  z-index: 20; /* above the intro overlay */
}

/* Staggered fadeInDown animation for all content elements */
@keyframes fadeInDown {
  0%   { opacity: 0; transform: translate3d(0, -40px, 0); }
  100% { opacity: 1; transform: translateZ(0); }
}

.animate {
  animation-duration: 0.6s;
  animation-fill-mode: both;
  animation-name: fadeInDown;
  animation-timing-function: cubic-bezier(0.22, 0.61, 0.36, 1);
}

.animate:nth-child(1) { animation-delay: 0.05s; }
.animate:nth-child(2) { animation-delay: 0.12s; }
.animate:nth-child(3) { animation-delay: 0.19s; }
.animate:nth-child(4) { animation-delay: 0.26s; }
.animate:nth-child(5) { animation-delay: 0.33s; }
.animate:nth-child(6) { animation-delay: 0.40s; }
.animate:nth-child(7) { animation-delay: 0.47s; }
.animate:nth-child(8) { animation-delay: 0.54s; }

@media (prefers-reduced-motion: reduce) {
  .animate { animation: none; }
}

.dud { color: var(--muted); }

/* Intro screen (home page, desktop only) */
.intro {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 10;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background-color: var(--codepen-bg);
  cursor: pointer;
  overflow: hidden;
  transition: opacity 0.5s ease;
}
.intro.leaving { display: flex; opacity: 0; pointer-events: none; }

.intro-art {
  width: 100%;
  height: 100%;
  object-fit: cover; /* fills the whole screen, cropping the edges if needed */
  will-change: transform;
}

.intro-hint {
  position: absolute;
  bottom: 40px;
  margin: 0;
  font-size: 16px;
  letter-spacing: 0.08em;
  color: var(--muted);
  animation: hintPulse 2s ease-in-out infinite;
}
@keyframes hintPulse { 50% { opacity: 0.35; } }
.intro.zooming .intro-hint { animation: none; opacity: 0; transition: opacity 0.3s ease; }

@media (min-width: 900px) {
  html:not(.started) .intro { display: flex; }
  /* hold the buttons back until the intro is dismissed, then they drop in */
  html:not(.started) body.home .container .animate { animation-name: none; opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .intro-hint { animation: none; }
}

/* ------------------------------------------------------------------ *
 * TEXT LINKS: stripes sweep across and weave through the letters.
 * script.js turns every plain-text <a> into this (opt out with class="no-fancy").
 * Tweak the colors / stripe position per link or globally here. <- important if you want to fork
 * ------------------------------------------------------------------ */
.fancy-link {
  --stripe-a: #b8b8b8; /* light grey (sweeps in first) */
  --stripe-b: #dcdcdc; /* lighter grey */
  --stripe-c: #ffffff; /* white (ends on top) */
  --stripe-top: 0.62em; /* where the line sits; raise or lower to match the font */
  --stripe-h: 0.1em;    /* line thickness */

  position: relative;
  display: inline-block;
  color: inherit;
  text-decoration: none;
  cursor: pointer;
  line-height: 1.2;
}

.fancy-letters { display: flex; }
.fancy-letters-top { position: absolute; top: 0; left: 0; display: flex; }
.fancy-letter { display: block; will-change: transform, opacity; }

/* odd letters sit under the stripes, even letters over them */
.fancy-letters .fancy-letter:nth-child(2n) { opacity: 0; }
.fancy-letters-top .fancy-letter:nth-child(2n + 1) { opacity: 0; }

.fancy-stripe {
  position: absolute;
  left: 0;
  top: var(--stripe-top);
  width: calc(100% + 0.075em);
  height: var(--stripe-h);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.8s cubic-bezier(0.4, 0, 0, 1);
}
.fancy-stripe--a { background-color: var(--stripe-a); transition-delay: 0.1s; }
.fancy-stripe--b { background-color: var(--stripe-b); transition-delay: 50ms; }
.fancy-stripe--c { background-color: var(--stripe-c); }

@media (hover: hover) and (pointer: fine) {
  .fancy-link > * { pointer-events: none; }
  .fancy-link:hover .fancy-stripe { transform-origin: left; transform: scaleX(1); }
  .fancy-link:hover .fancy-stripe--a { transition-delay: 0s; }
  .fancy-link:hover .fancy-stripe--c { transition-delay: 0.1s; }
}

/* keyboard focus gets the same effect */
.fancy-link:focus-visible .fancy-stripe { transform-origin: left; transform: scaleX(1); }
.fancy-link:focus-visible { outline: none; }

/* touch screens have no hover, so mark links with a plain underline */
@media (hover: none), (pointer: coarse) {
  .fancy-link { border-bottom: 1px solid rgba(255, 255, 255, 0.5); }
}

@media (prefers-reduced-motion: reduce) {
  .fancy-stripe { transition: none; }
}